SoundSpeed Movie Database: dedicated to location sound mixers, boom operators, cable pullers, or anyone interested in what and how the sound crew works on a movie set

MP3 com : If you need to download a MP3 player software. 

Shareware Music Machine : The world biggest music software site. 

sibelius.com: Uk publisher of the most user friendly scoring program

codamusic.com:   Finale Publisher. The most complete scoring program

Avid Technology website:Leading computer video systems

EditorsNet web site: The Daily Film & Video Editing Resource. Good selection of articles about sound/video editing.

Miro.com: Miro provides a large range of Video and capture cards.